Meaning of “nauseous” in the English Dictionary

american-english dictionary

"nauseous" in British English

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(Definition of “nauseous” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"nauseous" in American English

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us /ˈnɔ·ʃəs, ˈnɔ·zi·əs/

feeling that you are likely to vomit, or causing this feeling:

He felt nauseous and dehydrated.
unpleasant, nauseous odors

(Definition of “nauseous” from the Cambridge Academic Content Dictionary © Cambridge University Press)